GNU CLISP is a Common Lisp implementation by Bruno Haible of KarlsruheUniversity and Michael Stoll of Munich University, both in Germany.It mostly supports the Lisp described in the ANSI Common Lisp standard.It runs on microcomputers (Windows NT/2000/XP, Windows 95/98/ME) as wellas on Unix workstations (Linux, SVR4, Sun4, DEC Alpha OSF, HP-UX, BeOS,NeXTstep, SGI, AIX and others) and needs only 2 MB of RAM.

It is Free Software and may be distributed under the terms of GNU GPL,while it is possible to distribute commercial applications compiledwith GNU CLISP.

GNU CLISP includes an interpreter, a compiler, a debugger, CLOS,a foreign language interface, sockets, i18n, fast bignums and more.An X11 interface is available through CLX, Garnet, CLUE/CLIO.GNU CLISP runs Maxima, ACL2 and many other Common Lisp packages.